On Wed, Sep 3, 2014 at 10:28 PM, 'Pascal Jasmin' via Programming <[email protected]> wrote: > The difference between using L:1 and S:1 is that with L:1 the tree > structure is kept. When used recursively, the tree gets rolled up > from the bottom. If there is a relationship with the group of cells > at a tree level, it cannot be expressed with S: .
But if you are flattening the tree then you explicitly are eliminating that relationship. > I don't understand what you mean by unification scheme. https://en.wikipedia.org/wiki/Unification_algorithm Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
